Heart's Promise Round Lab-Grown Diamond Engagement Ring
Heart’s Promise refines the classic six-prong solitaire with a discreet romantic detail and a clean, modern silhouette.
A round lab-grown diamond is held above a straight band in an open six-prong setting, allowing the center stone to remain the clear focus of the ring.
Design
A pared-back solitaire design with heart-inspired prong details, created for those who value subtle meaning over ornament.
- Six-prong setting holds the round center diamond securely while allowing light to enter the stone.
- Heart-inspired prong details add a quiet romantic signature visible from a closer view.
- Straight band creates a pure, architectural profile with no pavé or decorative interruption.
- Solitaire design keeps the focus on the center stone’s brilliance, symmetry, and presence.
Product Details
| Center Diamond Shape | Round | ||||
| Center Diamond Carat | See selected option · Learn more | ||||
| Center Stone Setting | Six-Prong Setting | ||||
| Metal Options | Pt950 Platinum, 18K White Gold, 18K Yellow Gold | ||||
| Band Style | Straight Band | ||||
| Metal Weight Reference | Based on 1 ct center diamond
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| Certificate | IGI Certificate | ||||
| Availability | Made to Order |
Product Details
• This version is made to order.
• Please select your center diamond carat, diamond color, diamond clarity, setting metal, and US ring size before adding this ring to your cart.
• This made-to-order version includes an IGI Certificate.
• Please review your selected specifications carefully before placing your order.
Ring Size
• Please select your US ring size before adding this ring to your cart.
• Available ring size options: US 4-9.
• If you are unsure of your size, please refer to the size guide in the product images.
• For the most accurate fit, measure your finger when your hands are at a normal temperature.
Care
• Remove your ring during heavy activity, exercise, cleaning, or before using household chemicals.
• Avoid direct contact with perfumes, lotions, chlorine, and harsh cleaning agents.
• Store your ring separately in a soft pouch or jewelry box to help prevent scratches.
• Clean gently with a soft cloth and mild soapy water when needed.
FAQ
• Is this ring made with lab-grown diamonds?
Yes. This ring features a lab-grown diamond center stone with lab-grown diamond accents where applicable.
• Is this the made-to-order version?
Yes. This page is for the made-to-order version, allowing you to select available diamond and setting specifications.
• Does this ring include a certificate?
Yes. This made-to-order version includes an IGI Certificate.
• Can I choose the setting metal?
Yes. Please select from the available metal options shown on this product page.
• Can I choose my ring size?
Yes. Please select your US ring size before adding the ring to your cart.
• Where can I find the size guide?
The size guide is included in the product images.